Isolation device



FIG. 1 is a front view of an isolation device, according to a first embodiment of our new design;

FIG. 2 is right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a front perspective view thereof;

FIG. 8 is a rear perspective view thereof;

FIG. 9 is a front view of an isolation device, according to an alternative embodiment of our new design;

FIG. 10 is a right side view thereof;

FIG. 11 is a left side view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a rear view thereof.

The broken lines in the drawings depict portions of the isolation device that form no part of the claimed design. 

CLAIM The ornamental design for an isolation device, as shown and described. 